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Updated: Mar 7, 2026

Methodology for Accurate Detection of Mitochondrial DNA Methylation

Methodology for Accurate Detection of Mitochondrial DNA Methylation

Published on: May 20, 2018

Late Mitochondrial Origin Is an Artifact.

William F Martin¹, Mayo Roettger¹, Chuan Ku¹

¹Institute of Molecular Evolution, Heinrich-Heine University, Düsseldorf, Germany.

Genome Biology and Evolution

|February 16, 2017

Summary

This summary is machine-generated.

Mitochondria originated early in eukaryote evolution, contrary to a recent claim. Reanalysis reveals flaws in methods and interpretations used to support a late mitochondrial origin.

Keywords:

endosymbiosis major evolutionary transitions origin of mitochondria

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Area of Science:

Evolutionary biology
Molecular evolution
Genomics

Background:

The origin of mitochondria is a pivotal event in the evolution of eukaryotic cells.
A recent study proposed a late origin for mitochondria based on phylogenetic tree branch length variation.

Purpose of the Study:

To re-evaluate the evidence and statistical methods used in a recent study claiming a late mitochondrial origin.
To refute the hypothesis of a late mitochondrial origin in eukaryotic evolution.

Main Methods:

Reanalysis of published phylogenetic data.
Application of appropriate statistical methods for phylogenetic inference.
Critical assessment of data interpretation in evolutionary studies.

Main Results:

The analyses supporting a late mitochondrial origin were found to be based on flawed statistical methods.
Erroneous interpretations of phylogenetic data contributed to the incorrect conclusion.
The reanalysis indicates that the proposed late origin is not supported by the data.

Conclusions:

The hypothesis of a late mitochondrial origin is refuted by a rigorous reanalysis of the data.
The study highlights the importance of appropriate statistical methodologies in phylogenetic analyses.
Mitochondria likely originated early in eukaryotic evolution, as supported by robust evidence.